2005年9月17日上午,西藏国际半程马拉松挑战赛在拉萨鸣枪。这是在继2004年成功举办第一届西藏国际半程马拉松挑战赛的基础上,西藏又一次在海拔3000米以上的高原举办的重要赛事。据了解,这次参加马拉松挑战赛的区内外选手人数达到2127人。其中绝大部分的选手是参加5公里的迷你马 On the morning of September 17, 2005, the Tibet International Half Marathon fired a shot in Lhasa. This is an important event organized by Tibet once again on the plateau above 3,000 meters above sea level on the basis of the successful hosting of the first Tibet International Half Marathon Challenge in 2004. It is understood that the number of players participating in the Marathon Challenge inside and outside the region reached 2127 people. The vast majority of these contestants participate in the 5km miniature horse